US20030094287A1 - Fire extinguishing system - Google Patents

Fire extinguishing system Download PDF

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Publication number
US20030094287A1
US20030094287A1 US10/311,889 US31188902A US2003094287A1 US 20030094287 A1 US20030094287 A1 US 20030094287A1 US 31188902 A US31188902 A US 31188902A US 2003094287 A1 US2003094287 A1 US 2003094287A1
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Prior art keywords
trough
conduit
liquid
track
pump
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Granted
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US10/311,889
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US6834728B2 (en
Inventor
Frederic Demole
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Individual
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Individual
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Priority claimed from GB0015541A external-priority patent/GB2370765A/en
Priority claimed from GB0015620A external-priority patent/GB0015620D0/en
Priority claimed from GB0015631A external-priority patent/GB0015631D0/en
Priority claimed from GB0016279A external-priority patent/GB0016279D0/en
Priority claimed from GB0016281A external-priority patent/GB0016281D0/en
Priority claimed from GB0018606A external-priority patent/GB0018606D0/en
Application filed by Individual filed Critical Individual
Publication of US20030094287A1 publication Critical patent/US20030094287A1/en
Application granted granted Critical
Publication of US6834728B2 publication Critical patent/US6834728B2/en
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    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/02—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires
    • A62C3/0221—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires for tunnels
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/02—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires
    • A62C3/0292—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires by spraying extinguishants directly into the fire

Definitions

  • a problem with such a known system is that it is necessary to provide docking means whereby the pump means is selectively connectable to the conduit.
  • the present invention is characterised in that there is provided a trough for receiving liquid from the conduit and the pump means include an inlet adapted to enter into liquid transferred from the conduit into the trough.
  • the invention relates to a system for dousing a fire including a conduit for extending in the space and for delivering a fire extinguishing liquid to the space, a track extending in a longitudinal direction of the conduit, pump means adapted to move on the track and adapted to pump liquid delivered to the conduit, drive means adapted to move the pump means along the track, control means for controlling movement of the pump means relative to the track characterised in that there is provided a trough for receiving liquid from the conduit and the pump means includes an inlet adapted to enter into liquid transferred from the conduit into the trough.
  • the trough includes a plurality of walls forming a series of compartments.
  • each connecting member being associated with a corresponding one of the compartments.
  • each of the connecting members is provided with a valve for controlling flow of liquid from the conduit to the trough.
  • each of the compartments is provided with sensing means for sensing whether level of liquid in the corresponding compartment is at a predetermined level.
  • each sensing means is adapted to control operation of a corresponding valve.
  • the inlet is adapted to move from an inoperative position clear of the trough to an operative position entering into the liquid in the trough.
  • the inlet adapted to enter into liquid is fixed.
  • video means are included in the controlling means and a video camera is mounted on the pump means.
  • the track is located on a side of the trough.
  • the drive means is electrically operated and includes a shoe adapted to engage a conductor rail located on the trough.
  • the video means is linked with a remote control station by electromagnetic radiation at least on part of the way.
  • the nozzle is movable in order to direct the jet of water or foam onto the fire and in that the control means are used to move the nozzle.
  • FIG. 1 is a diagrammatic representation of one embodiment of a system for dousing a fire in accordance with the present invention, the system shown in an inoperative condition.
  • FIG. 2 is a view corresponding to FIG. 1, showing the system in an operative condition.
  • FIG. 3 is a diagrammatic cross section of apparatus included in the system shown in FIGS. 1 and 2, when in an operative condition, and
  • FIG. 4 is a view in the direction of the arrow ⁇ A>> of FIG. 3, when in an inoperative condition.
  • the system 10 comprises a conduit 11 extending longitudinally of the tunnel and an elongate trough 12 , open from above, which extends parallel to the conduit 11 and is attached thereto by a series of spaced parallel hollow connectors 13 each having located therein a valve 14 .
  • Each of the connectors 13 communicates the interior of the conduit 11 with the interior of the trough 12 .
  • the trough 12 is provided with a plurality of longitudinally spaced walls 15 which divide the trough 12 into a series of compartments 16 each associated with a corresponding one of the connectors 13 .
  • the trough 12 is also provided with a plurality of sensors 17 for detecting the level of a liquid 18 contained in an associated compartment 16 .
  • Sensor 17 data is used to control the corresponding valve 14 connected to that compartment 16 in which the pump means pumping liquid 18 in such a way that if the liquid 18 in a compartment 16 rises to a predetermined level, the corresponding valve 14 is closed.
  • the trough 12 is provided with an elongate upper edge 19 and a track 20 extending longitudinally and downwardly of the trough 12 .
  • the trough 12 is also provided with an inwardly extending flange 21 on which a series of posts 22 formed of electrically non-conductive material are mounted which support a conductor rail 23 of electrically conductive material.
  • the upper edge 19 of the trough 12 and the track 20 carry an electrically controlled pump 24 having a nozzle 25 and an inlet 26 , the pump 24 being mounted on a carriage 27 having spaced pairs of wheels 28 , 29 adapted to engage respectively the upper edge 19 of the trough 12 and the track 20 .
  • the carriage 27 is provided with a shoe 30 for engaging the conductor rail 23 .
  • the carriage 27 is also provided with electrically operated motors 31 , 32 for driving the upper wheels 28 , current for the motors 31 , 32 being collected from the conductor rail 23 via the shoe 30 .
  • the inlet 26 is controlled so as to move from an inoperative condition, as shown in FIGS. 1 and 4 in which the inlet 26 is positioned so as not to extend into the trough 12 , to an operative condition, as shown in FIGS. 2 and 3 in which the inlet 26 extends into the trough 12 .
  • the nozzle 25 carries a video camera 33 and the carriage 27 is provided with an antenna 34 whereby signals from the video camera 33 are transmitted by electromagnetic radiation to a remote antenna 35 connected to a remote control station by a fibre optic 36 .
  • the control signals of the electromechanical devices are also transmitted by the fibre optic 36 .
  • the pump 24 is connected to an air compressor 37 and a container 38 containing a foaming agent.
  • the arrangement is such that fire extinguishing liquid in the form of water or foam is pumped into the conduit 11 and, in the event of a fire occurring in the tunnel, the carriage 27 is propelled longitudinally of the trough 12 under control of signals communicated via the antenna 34 , 35 , the scene generated by signals received from the video camera 33 being monitored at the remote control station.
  • the appropriate valve 14 is then operated so that the water or foam flows under pressure through the corresponding connector 13 and into a corresponding compartment 16 of the trough 12 .
  • the carriage 27 When the fire is observed on a screen at the remote control station, the carriage 27 is positioned to be as close to the fire as is possible and the carriage 27 is braked on the trough 12 at that location. The inlet 26 is then deployed so that a free end portion thereof extends into the water or foam that has been delivered into the compartment 16 and the pump 24 is operated so as to provide a jet of the water or foam in a direction towards the fire.
  • the trough 12 is not divided in compartments (for example if the trough 12 has a small length of only a few meters), it is not necessary to provide the system with a movable inlet 26 . In that case, the inlet 26 may be fixed.
  • the fire fighting or security personal may be equipped with a two-way radio that is relayed to the remote control station by the relay 35 and the fibre optic 36 so that this personal is able to communicate with the remote station.
  • the carriage 27 may also be provided with a microphone and a loudspeaker so that voices and sound near the pump means can be monitored and that announcements may be made at the location of the fire from the remote control station.
  • an arm extends from the pump means 24 in a different direction than the track 20 .
  • the outlet 25 of the pump means is movable along this arm in order to be as close to the location of the fire as possible.
  • a second track is provided at some distance of the system and a carriage is provided that moves on that track and that end of the arm that is not affixed to the pump means lays on that carriage.

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Forests & Forestry (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
  • Fire Alarms (AREA)
  • Cereal-Derived Products (AREA)
  • Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
  • Fire-Extinguishing Compositions (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Vehicle Waterproofing, Decoration, And Sanitation Devices (AREA)
  • Flow Control (AREA)
  • Spray Control Apparatus (AREA)

Abstract

A system (10) for dousing a fire, such as a tunnel, includes a conduit (11) for delivering a fire extinguishing liquid and a trough (12) extending parallel to the conduit (11) for receiving liquid from the conduit (11). A carriage (27) is arranged to move on a track comprising an upper edge (19) of the trough (12) and the carriage (27) carries a pump having a nozzle (25), a video camera (33) and an inlet (26) each of which can be controlled robotically from a remote control station. The inlet (26) is deployed in the trough (12) to draw liquid from the trough (12). The system avoids complicated docking procedures for the pump.

Description

  • A problem with such a known system is that it is necessary to provide docking means whereby the pump means is selectively connectable to the conduit. [0001]
  • It is desirable, therefore, to provide a system for dousing a fire wherein there is no requirement for such docking means. [0002]
  • The present invention is characterised in that there is provided a trough for receiving liquid from the conduit and the pump means include an inlet adapted to enter into liquid transferred from the conduit into the trough. [0003]
  • More particularly, the invention relates to a system for dousing a fire including a conduit for extending in the space and for delivering a fire extinguishing liquid to the space, a track extending in a longitudinal direction of the conduit, pump means adapted to move on the track and adapted to pump liquid delivered to the conduit, drive means adapted to move the pump means along the track, control means for controlling movement of the pump means relative to the track characterised in that there is provided a trough for receiving liquid from the conduit and the pump means includes an inlet adapted to enter into liquid transferred from the conduit into the trough. [0004]
  • In various preferred embodiments of the invention: [0005]
  • the trough includes a plurality of walls forming a series of compartments. [0006]
  • there is provided a plurality of connecting members for communicating the conduit with the trough, each connecting members being associated with a corresponding one of the compartments. [0007]
  • each of the connecting members is provided with a valve for controlling flow of liquid from the conduit to the trough. [0008]
  • each of the compartments is provided with sensing means for sensing whether level of liquid in the corresponding compartment is at a predetermined level. [0009]
  • each sensing means is adapted to control operation of a corresponding valve. [0010]
  • the inlet is adapted to move from an inoperative position clear of the trough to an operative position entering into the liquid in the trough. [0011]
  • the inlet adapted to enter into liquid is fixed. [0012]
  • video means are included in the controlling means and a video camera is mounted on the pump means. [0013]
  • the track is located on a side of the trough. [0014]
  • the drive means is electrically operated and includes a shoe adapted to engage a conductor rail located on the trough. [0015]
  • the video means is linked with a remote control station by electromagnetic radiation at least on part of the way. [0016]
  • the nozzle is movable in order to direct the jet of water or foam onto the fire and in that the control means are used to move the nozzle. [0017]
  • it comprises a source of light for lighting the scene. [0018]
  • it comprises an arm affixed to the pump means and extending in different directions than the track, the nozzle of the pump means being movable among the arm. [0019]
  • Following is a description, by way of example only and with reference to the accompanying drawings, of one method of carrying the invention into effect.[0020]
  • In the drawings: [0021]
  • FIG. 1 is a diagrammatic representation of one embodiment of a system for dousing a fire in accordance with the present invention, the system shown in an inoperative condition. [0022]
  • FIG. 2 is a view corresponding to FIG. 1, showing the system in an operative condition. [0023]
  • FIG. 3 is a diagrammatic cross section of apparatus included in the system shown in FIGS. 1 and 2, when in an operative condition, and [0024]
  • FIG. 4 is a view in the direction of the arrow <<A>> of FIG. 3, when in an inoperative condition.[0025]
    • DESCRIPTION OF A PREFERRED EMBODIMENT
  • Referring now to the drawings, there is shown a [0026] system 10 for dousing a fire in a tunnel. The system 10 comprises a conduit 11 extending longitudinally of the tunnel and an elongate trough 12, open from above, which extends parallel to the conduit 11 and is attached thereto by a series of spaced parallel hollow connectors 13 each having located therein a valve 14. Each of the connectors 13 communicates the interior of the conduit 11 with the interior of the trough 12. The trough 12 is provided with a plurality of longitudinally spaced walls 15 which divide the trough 12 into a series of compartments 16 each associated with a corresponding one of the connectors 13. The trough 12 is also provided with a plurality of sensors 17 for detecting the level of a liquid 18 contained in an associated compartment 16. Sensor 17 data is used to control the corresponding valve 14 connected to that compartment 16 in which the pump means pumping liquid 18 in such a way that if the liquid 18 in a compartment 16 rises to a predetermined level, the corresponding valve 14 is closed.
  • The [0027] trough 12 is provided with an elongate upper edge 19 and a track 20 extending longitudinally and downwardly of the trough 12. The trough 12 is also provided with an inwardly extending flange 21 on which a series of posts 22 formed of electrically non-conductive material are mounted which support a conductor rail 23 of electrically conductive material.
  • The [0028] upper edge 19 of the trough 12 and the track 20 carry an electrically controlled pump 24 having a nozzle 25 and an inlet 26, the pump 24 being mounted on a carriage 27 having spaced pairs of wheels 28, 29 adapted to engage respectively the upper edge 19 of the trough 12 and the track 20. The carriage 27 is provided with a shoe 30 for engaging the conductor rail 23. The carriage 27 is also provided with electrically operated motors 31, 32 for driving the upper wheels 28, current for the motors 31,32 being collected from the conductor rail 23 via the shoe 30.
  • The [0029] inlet 26 is controlled so as to move from an inoperative condition, as shown in FIGS. 1 and 4 in which the inlet 26 is positioned so as not to extend into the trough 12, to an operative condition, as shown in FIGS. 2 and 3 in which the inlet 26 extends into the trough 12.
  • The [0030] nozzle 25 carries a video camera 33 and the carriage 27 is provided with an antenna 34 whereby signals from the video camera 33 are transmitted by electromagnetic radiation to a remote antenna 35 connected to a remote control station by a fibre optic 36. The control signals of the electromechanical devices are also transmitted by the fibre optic 36.
  • The [0031] pump 24 is connected to an air compressor 37 and a container 38 containing a foaming agent.
  • The arrangement is such that fire extinguishing liquid in the form of water or foam is pumped into the [0032] conduit 11 and, in the event of a fire occurring in the tunnel, the carriage 27 is propelled longitudinally of the trough 12 under control of signals communicated via the antenna 34, 35, the scene generated by signals received from the video camera 33 being monitored at the remote control station. At the same time, the appropriate valve 14 is then operated so that the water or foam flows under pressure through the corresponding connector 13 and into a corresponding compartment 16 of the trough 12.
  • When the fire is observed on a screen at the remote control station, the [0033] carriage 27 is positioned to be as close to the fire as is possible and the carriage 27 is braked on the trough 12 at that location. The inlet 26 is then deployed so that a free end portion thereof extends into the water or foam that has been delivered into the compartment 16 and the pump 24 is operated so as to provide a jet of the water or foam in a direction towards the fire.
  • Description of a Second Embodiment [0034]
  • If the [0035] trough 12 is not divided in compartments (for example if the trough 12 has a small length of only a few meters), it is not necessary to provide the system with a movable inlet 26. In that case, the inlet 26 may be fixed.
  • It will be appreciated that, with a system for dousing a fire in accordance with the present invention, there is no requirement to provide docking means for connecting the [0036] pump 24 to the supply of water or foam.
  • It will also be appreciated that the fire fighting or security personal may be equipped with a two-way radio that is relayed to the remote control station by the [0037] relay 35 and the fibre optic 36 so that this personal is able to communicate with the remote station. The carriage 27 may also be provided with a microphone and a loudspeaker so that voices and sound near the pump means can be monitored and that announcements may be made at the location of the fire from the remote control station.
  • Description of a Third Embodiment [0038]
  • According to a variant of the invention, an arm extends from the pump means [0039] 24 in a different direction than the track 20.
  • The [0040] outlet 25 of the pump means is movable along this arm in order to be as close to the location of the fire as possible.
  • Description of a Fourth Embodiment [0041]
  • According to a variant of the third embodiment, a second track is provided at some distance of the system and a carriage is provided that moves on that track and that end of the arm that is not affixed to the pump means lays on that carriage. [0042]

Claims (15)

1. A system (10) for dousing a fire including a conduit (11) for extending in the space and for delivering a fire extinguishing liquid (18) to the space, a track (20) extending in a longitudinal direction of the conduit (11), pump means (24) adapted to move on the track (20) and adapted to pump liquid (18) delivered to the conduit (11), drive means (28,29) adapted to move the pump means (24) along the track (20), control means (33) for controlling movement of the pump means (24) relative to the track (20) characterised in that there is provided a trough (12) for receiving liquid (18) from the conduit (11) and the pump means (24) includes an inlet (26) adapted to enter into liquid (18) transferred from the conduit (11) into the trough (12).
2. A system as claimed in claim 1 characterised in that the trough (12) includes a plurality of walls (15) forming a series of compartments (16).
3. A system as claimed in claim 2 characterised in that there is provided a plurality of connecting members (13) for communicating the conduit (11) with the trough (12), each connecting members (13) being associated with a corresponding one of the compartments (16).
4. A system as claimed in claim 3 characterised in that each of the connecting members (13) is provided with a valve (14) for controlling flow of liquid (18) from the conduit (11) to the trough (12).
5. A system as claimed in claim 4 characterised in that each of the compartments (16) is provided with sensing means (17) for sensing whether level of liquid (18) in the corresponding compartment (16) is at a predetermined level.
6. A system as claimed in claim 5 characterised in that each sensing means (17) is adapted to control operation of a corresponding valve (14).
7. A system as claimed in any one of the preceding claims in that the inlet (26) is adapted to move from an inoperative position clear of the trough (12) to an operative position entering into the liquid (18) in the trough (12).
8. A system as claimed in claim 1 characterised in that the inlet (26) adapted to enter into liquid 18 is fixed.
9. A system as claimed in any one of the preceding claims characterised in that video means are included in the controlling means and a video camera is mounted on the pump means.
10. A system as claimed in any one of the preceding claims characterised in that the track (19) is located on a side of the trough (12).
11. A system as claimed in any of the preceding claims characterised in that the drive means (28,29) is electrically operated and includes a shoe (30) adapted to engage a conductor rail (23) located on the trough (12).
12. A system as claimed in claim 9 characterised in that the video means (33) is linked with a remote control station by electromagnetic radiation at least on part of the way.
13. A stystem as claimed in any one of the preceding claims characterised in that the nozzle (25) is movable in order to direct the jet of water or foam onto the fire and in that the control means (33) are used to move the nozzle (25).
14. A stystem as claimed in any one of the preceding claims characterised in that it comprises a source of light for lighting the scene.
15. A stystem as claimed in any one of the preceding claims characterised in that it comprises an arm affixed to the pump means (24) and extending in different directions than the track (20), the nozzle (25) of the pump means (24) being movable along the arm.
US10/311,889 2000-06-23 2001-06-22 Fire extinguishing system Expired - Fee Related US6834728B2 (en)

Applications Claiming Priority (19)

Application Number Priority Date Filing Date Title
GB0015541 2000-06-23
GB0015541A GB2370765A (en) 2000-06-23 2000-06-23 Fire fighting system for a tunnel
GB0015541.6 2000-06-23
GB0015631 2000-06-26
GB0015620A GB0015620D0 (en) 2000-06-26 2000-06-26 System for fire fighting
GB0015631.5 2000-06-26
GB0015631A GB0015631D0 (en) 2000-06-26 2000-06-26 System for fire fighting in tunnels
GB0015620 2000-06-26
GB0015620.8 2000-06-26
GB0016279 2000-07-04
GB0016281 2000-07-04
GB0016279A GB0016279D0 (en) 2000-07-04 2000-07-04 Fire safety system for tunnel
GB0016281A GB0016281D0 (en) 2000-07-04 2000-07-04 Fire safety system
GB0016281.8 2000-07-04
GB0016279.2 2000-07-04
GB0018606 2000-07-31
GB0018606.4 2000-07-31
GB0018606A GB0018606D0 (en) 2000-07-31 2000-07-31 Fire safety device
PCT/IB2001/001102 WO2001097918A1 (en) 2000-06-23 2001-06-22 Fire extinguishing system

Publications (2)

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US20030094287A1 true US20030094287A1 (en) 2003-05-22
US6834728B2 US6834728B2 (en) 2004-12-28

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US (1) US6834728B2 (en)
EP (1) EP1292364B1 (en)
JP (1) JP2003535660A (en)
KR (1) KR20030017544A (en)
CN (1) CN1229153C (en)
AT (1) ATE250959T1 (en)
AU (1) AU772432B2 (en)
BR (1) BR0111671A (en)
CA (1) CA2412159A1 (en)
CR (1) CR6868A (en)
CU (1) CU23100A3 (en)
CZ (1) CZ20024136A3 (en)
DE (1) DE60100905T2 (en)
DK (1) DK1292364T3 (en)
DZ (1) DZ3371A1 (en)
EA (1) EA003803B1 (en)
EE (1) EE200200696A (en)
ES (1) ES2206419T3 (en)
GE (1) GEP20043291B (en)
HU (1) HUP0301565A2 (en)
IL (1) IL153423A0 (en)
MA (1) MA25889A1 (en)
MX (1) MXPA02012869A (en)
NO (1) NO20025942D0 (en)
NZ (1) NZ523248A (en)
OA (1) OA12289A (en)
PL (1) PL358523A1 (en)
PT (1) PT1292364E (en)
RS (1) RS49510B (en)
SI (1) SI1292364T1 (en)
SK (1) SK17692002A3 (en)
TR (1) TR200301348T3 (en)
WO (1) WO2001097918A1 (en)

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US20080190627A1 (en) * 2004-05-18 2008-08-14 Fernandus Cornelis Koelewijn Device and Method For Protecting an Object Against Fire
US9403045B2 (en) * 2014-12-16 2016-08-02 Joseph Parsley Fire vehicle
CN109714433A (en) * 2019-01-18 2019-05-03 湖南城市学院 A kind of device and its application method based on remote computer control technology
US20210252319A1 (en) * 2018-12-12 2021-08-19 Carrier Corporation Kitchen fire suppression aiming systems and methods

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US6975225B2 (en) * 2002-12-09 2005-12-13 Axon X, Llc Fire suppression system and method
ITNA20040024A1 (en) * 2004-05-07 2004-08-07 Domenico Piatti FIRE EXTINGUISHING APPARATUS IN ROAD AND RAILWAY TUNNELS
US8833476B2 (en) 2010-09-21 2014-09-16 GelTech Solutions, Inc. Method and apparatus for extinguishing fires
US8757280B2 (en) 2011-11-04 2014-06-24 GelTech Solutions, Inc. Method of extinguishing underground electrical fires
US20140202722A1 (en) 2013-01-18 2014-07-24 GelTech Solutions, Inc. Device for Treating Manhole Electrical Fires
US9993672B2 (en) 2013-01-22 2018-06-12 GelTech Solutions, Inc. Method and device for suppressing electrical fires in underground conduit
US9072922B2 (en) 2013-01-30 2015-07-07 GelTech Solutions, Inc. Fluid dispensing ladder
US9938766B2 (en) 2013-01-30 2018-04-10 GeITech Solutions, Inc. Fluid dispensing ladder
CN103306708A (en) * 2013-05-29 2013-09-18 武汉广益交通科技股份有限公司 Tunnel energy-saving and firefighting system for cold region
US9511246B2 (en) 2014-06-30 2016-12-06 GelTech Solutions, Inc. Method and apparatus for treating underground conduits
US10240041B2 (en) 2015-05-12 2019-03-26 GelTech Solutions, Inc. Fire suppression fluid dispensing device
CN105854210B (en) * 2016-04-25 2020-06-02 武汉理工大学 Intelligent fire extinguishing system and method based on distributed pyroelectric sensing network
CN106492389A (en) * 2016-10-31 2017-03-15 河池学院 A kind of Robot Extinguishing Fire system
US9950909B1 (en) * 2017-02-12 2018-04-24 Mohammad Kazemirad Tunnel relief device
CN107126656A (en) * 2017-07-02 2017-09-05 四川藏区高速公路有限责任公司 A kind of portable subregion wisdom fire-fighting device and method in the tunnel based on BIM technology
CN107952194A (en) * 2017-12-18 2018-04-24 山东宏达科技集团有限公司 A kind of multifunctional fire-fighting truck and mixing jetting big gun using liquid nitrogen as injection power
CN108261711A (en) * 2018-03-23 2018-07-10 沈阳理工大学 A kind of vcehicular tunnel self-extinguishing machine people
CN108543261A (en) * 2018-04-20 2018-09-18 郑鸿 A kind of main cabin automatic fire extinguisher
CN110893272A (en) * 2019-12-09 2020-03-20 国网智能科技股份有限公司 Tunnel and comprehensive pipe gallery intelligent fire-fighting robot, system and method
CN110917540B (en) * 2019-12-09 2021-04-20 国网智能科技股份有限公司 Fire-fighting robot system and method
CN113209525A (en) * 2021-06-02 2021-08-06 倍得福机械科技(常州)股份有限公司 Tunnel fire-extinguishing and rescue integrated system based on terahertz spectrum-stacking sensing

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